linux-kernel - Re: 32-bit PTI with THP = userspace corruption

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Message-ID: <20181022075642.icowfdg3y5wcam63@suse.de>
Date:   Mon, 22 Oct 2018 09:56:42 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Pavel Machek <pavel@....cz>
Cc:     Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Meelis Roos <mroos@...ux.ee>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel list <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, Andrea Arcangeli <aarcange@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: 32-bit PTI with THP = userspace corruption

On Sun, Oct 21, 2018 at 02:37:45PM +0200, Pavel Machek wrote:
> On Tue 2018-09-18 14:00:30, Alan Cox wrote:
> > There are pretty much no machines that don't support PAE and are still
> > even vaguely able to boot a modern Linux kernel. The oddity is the
> > Pentium-M but most distros shipped a hack to use PAE on the Pentium M
> > anyway as it seems to work fine.
> 
> I do have some AMD Geode here, in form of subnotebook. Definitely
> newer then Pentium Ms, but no PAE...

Are the AMD Geode chips affected by Meltdown?


Regards,

	Joerg